Uchida's remarks come as investors express concern about Japan's second-largest carmaker, which has warned of a record $4.5 billion loss this year as the pandemic hampers its turnaround.
Growth in China is a key part of Nissan's effort to recover from rapid expansion that left it with dismal margins and an ageing portfolio that the automaker says is a result of a mismanagement by former boss Carlos Ghosn, who was arrested for financial misdeeds which he denies.
Nissan has pledged to cut 300 billion yen ($2.84 billion)from annual fixed costs and focus on each of the company's three biggest markets: China, the United States and Japan.
Yet, while China's automotive market continues to recover strongly, Nissan last month saw its business shrink 2.4% after showing modest growth every month since April.
That sales contraction was in stark contrast to Japanese rivals Toyota and Honda, which have both seen rapid sales growth since the pandemic's effects began easing in China over the summer.
In August, Toyota vehicles sales in China rose 27.2% from last year, while Honda's grew 19.7%.
To bolster its finances, Nissan this month said it plans to issue $8 billion in dollar-denominated bonds and is considering euro-denominated debt. The bond sale is its first dollar-denominated issuance since its tie-up with France's Renault SA in 1999, a Nissan representative said.
A Nissan spokeswoman said some of that money would be used to repay other debt.
"Although Nissan continues to have sufficient levels of liquidity, we are seeking to strengthen our liquidity position in order to ensure smooth implementation of our business transformation plan," she said.
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